astute

neuvokas, taitava quick quickly and critically discerning
shrewd or crafty
2014, A teacher, "http://www.theguardian.com/education/2014/sep/23/choosing-primary-school-guide-teachers-guide-for-parents Choosing a primary school: a teacher's guide for parents", The Guardian, 23 September 2014:

The best headteachers are like submarine captains – cool-headed, astute decision-makers – who trust their colleagues and surroundings to indicate where their ship is headed.